Mathematics, 02.01.2020 00:31 Zaynt
Translate the following phrase to a mathematical expression and then evaluate the expression for n = 5.
the quotient of twenty and a number
n ÷ 20; 4
20 ÷ n; 4
20n; 100
20 - n = 15
Answers: 1
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 22.06.2019 00:00
Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15
Answers: 1
Mathematics, 22.06.2019 00:30
The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?
Answers: 1
Translate the following phrase to a mathematical expression and then evaluate the expression for n =...
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